Home / 7,750.97-11,621.72-3,306.14

Finding the Fourth Proportional to 7,750.97, 11,621.72 and 3,306.14

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Solution

The fourth proportional to 7,750.97, 11,621.72 and 3,306.14 is: 4,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.97 : 11,621.72 = 3,306.14 : x
  2. Step 2: Convert to fraction form
    7,750.97/11,621.72 = 3,306.14/x
  3. Step 3: Cross multiply
    7,750.97x = 11,621.72 × 3,306.14
  4. Step 4: Simplify right side
    7,750.97x = 38,422,958.72
  5. Step 5: Solve for x
    x = 38,422,958.72/7,750.97
  6. Step 6: Final answer
    x = 4,957.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.